/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchy.h
bool SwitchToParent ( [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) InChild, [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) InParent, bool bInitial, bool bAffectChildren, const [TElementDependencyMap](API\Plugins\ControlRig\Rigs\URigHierarchy\TElementDependencyMap) & InDependencyMap, [FString](API\Runtime\Core\Containers\FString) * OutFailureReason )